Chen, C.A. Chang, W.R. Li, K.W. Lie, Y.M. and Lin, T.F. 2009. Subcooled flow boiling heat transfer of R-407C and associated bubble characteristics in a narrow annular ...

R-407C, R-408A, R-409A, R-411A, R-411B, R-412A, R-420, R-421, R-500, R-502, R-503, R-507, R-508B and R-509. Mineral oil, alkyl benzene, and polyol ester lubricants are often added to these refrigerant ...

This is the same approach the EPA used during the phaseout of HCFCs such as R-22, where reclaiming these ozone-depleting substances ensured an adequate refrigerant supply for servicing equipment.

Sales at another large yarding at Yea reflected rising prices, experienced across other markets throughout the state in ...

The rate at which coronavirus infection is falling in the UK - as measured by the R number - has continued to level off. The latest R estimate from the government's scientific advisory group Sage ...

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